const isServer = typeof window == "undefined";
/**
* 返回一个除去了所有false值的 array副本。 在javascript中, false, null, 0, "", undefined 和 NaN 都是false值.
*/
function compact(arr) {
return arr.filter(x => !!x);
}
/**
*
* @param {any} array
* @returns
*/
function uniq(array) {
return [...new Set(array)];
}
/**
* 返回传入的 arrays（数组）并集：按顺序返回，返回数组的元素是唯一的，可以传入一个或多个 arrays （数组）
*/
function union(...arrs) {
let _arrs = [].concat(...arrs);
return uniq(_arrs);
}
const on = (function() {
if (!isServer && document.addEventListener) {
return function(element, event, handler) {
if (element && event && handler) {
element.addEventListener(event, handler, false);
}
};
} else {
return function(element, event, handler) {
if (element && event && handler) {
element.attachEvent("on" + event, handler);
}
};
}
})();
/**
*
* ua 检测
* @returns
*/
function detect() {
if (isServer) return;
let { userAgent, platform } = window.navigator;
var ua = userAgent;
var os = {},
browser = {},
android = ua.match(/(Android);?[\s/]+([\d.]+)?/),
osx = !!ua.match(/\(Macintosh; Intel /),
ipad = ua.match(/(iPad).*OS\s([\d_]+)/),
ipod = ua.match(/(iPod)(.*OS\s([\d_]+))?/),
iphone = !ipad && ua.match(/(iPhone\sOS)\s([\d_]+)/),
webos = ua.match(/(webOS|hpwOS)[\s/]([\d.]+)/),
win = /Win\d{2}|Windows/.test(platform),
wp = ua.match(/Windows Phone ([\d.]+)/),
touchpad = webos && ua.match(/TouchPad/),
kindle = ua.match(/Kindle\/([\d.]+)/),
silk = ua.match(/Silk\/([\d._]+)/),
blackberry = ua.match(/(BlackBerry).*Version\/([\d.]+)/),
bb10 = ua.match(/(BB10).*Version\/([\d.]+)/),
rimtabletos = ua.match(/(RIM\sTablet\sOS)\s([\d.]+)/),
playbook = ua.match(/PlayBook/),
chrome = ua.match(/Chrome\/([\d.]+)/) || ua.match(/CriOS\/([\d.]+)/),
firefox = ua.match(/Firefox\/([\d.]+)/),
ie =
ua.match(/MSIE\s([\d.]+)/) ||
ua.match(/Trident\/[\d](?=[^?]+).*rv:([0-9.].)/),
webview =
!chrome && ua.match(/(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/),
safari =
webview ||
ua.match(
/Version\/([\d.]+)([^S](Safari)|[^M]*(Mobile)[^S]*(Safari))/
);
if (android) (os.android = true), (os.version = android[2]);
if (iphone && !ipod) {
os.ios = os.iphone = true;
os.version = iphone[2].replace(/_/g, ".");
}
if (ipad)
(os.ios = os.ipad = true), (os.version = ipad[2].replace(/_/g, "."));
if (ipod) {
os.ios = os.ipod = true;
os.version = ipod[3] ? ipod[3].replace(/_/g, ".") : null;
}
if (wp) (os.wp = true), (os.version = wp[1]);
if (webos) (os.webos = true), (os.version = webos[2]);
if (touchpad) os.touchpad = true;
if (blackberry) (os.blackberry = true), (os.version = blackberry[2]);
if (bb10) (os.bb10 = true), (os.version = bb10[2]);
if (rimtabletos) (os.rimtabletos = true), (os.version = rimtabletos[2]);
if (playbook) browser.playbook = true;
if (kindle) (os.kindle = true), (os.version = kindle[1]);
if (silk) (browser.silk = true), (browser.version = silk[1]);
if (!silk && os.android && ua.match(/Kindle Fire/)) browser.silk = true;
if (chrome) (browser.chrome = true), (browser.version = chrome[1]);
if (firefox) (browser.firefox = true), (browser.version = firefox[1]);
if (ie) (browser.ie = true), (browser.version = ie[1]);
if (safari && (osx || os.ios || win)) {
browser.safari = true;
if (!os.ios) browser.version = safari[1];
}
if (webview) browser.webview = true;
os.tablet = !!(
ipad ||
playbook ||
(android && !ua.match(/Mobile/)) ||
(firefox && ua.match(/Tablet/)) ||
(ie && !ua.match(/Phone/) && ua.match(/Touch/))
);
os.phone = !!(
!os.tablet &&
!os.ipod &&
(android ||
iphone ||
webos ||
blackberry ||
bb10 ||
(chrome && ua.match(/Android/)) ||
(chrome && ua.match(/CriOS\/([\d.]+)/)) ||
(firefox && ua.match(/Mobile/)) ||
(ie && ua.match(/Touch/)))
);
browser.special = {
safari: /Safari/gi.test(navigator.appVersion),
qq: /MQQBrowser|CriOS/.test(ua),
baidu: /baidubrowser/.test(ua),
uc: /UCBrowser/.test(ua)
};
browser.weChat = /micromessenger/i.test(ua);
return {
os,
browser
};
}
/**
*
* @returns
*/
function queryObj() {
let qo = {};
let arr = location.search.replace(/^\?/, "").split("&");
for (let _i = 0, _len = arr.length; _i < _len; _i++) {
let im = arr[_i];
let kv = im.split("=");
qo[kv[0]] = kv[1] || "";
}
return qo;
}
/**
* 获取url参数
* @param {any} string
* @returns
*/
function queryString(string) {
var parsed = {};
string = string !== undefined ? string : window.location.search;
if (typeof string === "string" && string.length > 0) {
if (string[0] === "?") {
string = string.substring(1);
}
string = string.split("&");
for (var i = 0, length = string.length; i < length; i++) {
var element = string[i],
eqPos = element.indexOf("="),
keyValue,
elValue;
if (eqPos >= 0) {
keyValue = element.substr(0, eqPos);
elValue = element.substr(eqPos + 1);
} else {
keyValue = element;
elValue = "";
}
elValue = decodeURIComponent(elValue);
if (parsed[keyValue] === undefined) {
parsed[keyValue] = elValue;
} else if (parsed[keyValue] instanceof Array) {
parsed[keyValue].push(elValue);
} else {
parsed[keyValue] = [parsed[keyValue], elValue];
}
}
}
return parsed;
}
/**
* 发送日志
* @param {any} query
* @param {string} [type="qianclick"]
*/
function sendLog(query, type = "qianclick") {
let { os } = detect();
let hostMap = {
qianclick: "//click.qianqian.com/v.gif",
pvlog: "/cms/mobile.gif"
};
let params = function(query) {
let rs = [];
for (let pro in query) {
rs.push(
encodeURIComponent(pro) + "=" + encodeURIComponent(query[pro])
);
}
return rs.join("&");
};
let da = +new Date() + parseInt(Math.random() * 1000);
let img = (window["img_" + da] = new Image());
//let img_p = window["img_p_" + da] = new Image();
query = Object.assign(
{
pid: 304,
type: "click",
ref: "web",
// os_v: os.version,
v: "1.0.0",
r: da,
page: "home",
page_url: location.href,
url: location.href,
page_refer: document.referrer || "",
referurl: document.referrer || "",
channel: queryObj().fr || "",
UA: navigator.userAgent
},
query
);
img.onload = img.onerror = img.onabort = function() {
img.onload = img.onerror = img.onabort = null;
window["img_" + da] = null;
};
img.src = hostMap[type] + "?" + params(query);
const _hmt = _hmt || [];
if (
type == "qianclick" &&
_hmt &&
typeof query.page != "undefined" &&
typeof query.pos != "undefined" &&
typeof query.sub != "undefined"
) {
_hmt && _hmt.push(["_trackEvent", query.page, query.pos, query.sub]);
}
}
/**
* 去空格
* @param {any} str
* @returns
*/
function trim(str) {
return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, "");
}
/**
* 格式化图片路径
* @param {String} url
* @param {String} quality
*/
function checkImgUrl(url, quality) {
var q = quality || "";
if (url.indexOf(".jpg@") > -1) {
url = url.substring(0, url.indexOf(".jpg@") + 4) + q;
} else if (url.indexOf(".JPG@") > -1) {
url = url.substring(0, url.indexOf(".JPG@") + 4) + q;
} else if (url.indexOf(".png@") > -1) {
url = url.substring(0, url.indexOf(".png@") + 4) + q;
} else if (url.indexOf(".jpeg@") > -1) {
url = url.substring(0, url.indexOf(".jpeg@") + 5) + q;
} else if (url) {
url = url + q;
}
return url;
}
/**
* 时长
* @param {any} //同时兼容ie和ff的写法
* @returns
*/
// function getEvent() {
// if(document.all) return window.event;
// let func=getEvent.caller;
// while(func!=null){
// var arg0=func.arguments[0];
// if (arg0) {
// if((arg0.constructor==Event || arg0.constructor ==MouseEvent) || (typeof(arg0)=="object" && arg0.preventDefault && arg0.stopPropagation))
// {
// return arg0;
// }
// }
// func=func.caller;
// }
// return null;
// }
/**
* cookie
* @param {*} sec
*/
let cookie = {
set(key,val,time) {//设置cookie方法
let date = new Date(); //获取当前时间
let expiresDays = time; //将date设置为n天以后的时间
date.setTime(date.getTime()+expiresDays*24*3600*1000); //格式化为cookie识别的时间
document.cookie=key + "=" + val +";expires="+date.toGMTString(); //设置cookie
},
get(key) {//获取cookie方法
/*获取cookie参数*/
let getCookie = document.cookie.replace(/[ ]/g,""); //获取cookie，并且将获得的cookie格式化，去掉空格字符
let arrCookie = getCookie.split(";") //将获得的cookie以"分号"为标识 将cookie保存到arrCookie的数组中
let tips; //声明变量tips
for(let i=0;i<arrCookie.length;i++){ //使用for循环查找cookie中的tips变量
let arr=arrCookie[i].split("="); //将单条cookie用"等号"为标识，将单条cookie保存为arr数组
if(key==arr[0]){ //匹配变量名称，其中arr[0]是指的cookie名称，如果该条变量为tips则执行判断语句中的赋值操作
tips=arr[1]; //将cookie的值赋给变量tips
break; //终止for循环遍历
}
}
return tips
},
delete(key){ //删除cookie方法
let date = new Date(); //获取当前时间
date.setTime(date.getTime()-10000); //将date设置为过去���时间
document.cookie = key + "=v; expires =" +date.toGMTString();//设置cookie
}
}
/**
* 时长
* @param {any} sec
* @returns
*/
function duration(sec) {
let fix, floor, h, parseMinites;
sec = Math.ceil(sec);
fix = function(num) {
if (num < 10) {
return "0" + num;
} else {
return num;
}
};
floor = function(num) {
return Math.floor(num);
};
parseMinites = function(sec) {
var m, s;
m = floor(sec / 60);
s = sec % 60;
return fix(m) + ":" + fix(s);
};
if (!sec) {
return "00:00";
} else if (sec < 60) {
return "00:" + fix(sec);
} else if (sec < 3600) {
return parseMinites(sec);
} else {
h = floor(sec / 3600);
return fix(h) + ":" + parseMinites(sec % 3600);
}
}
let storageFuns = {
getStorage: function(k) {
return localStorage.getItem(k);
},
setStorage: function(k, v, expires) {
if (expires) {
expires = +new Date() + expires;
v = [v, expires];
}
localStorage.setItem(k, JSON.stringify(v));
},
removeStorage: function(k) {
localStorage.removeItem(k);
}
};
/**
* 解析sondid
* @param {any} songIdx
* @returns
*/
function decodeSongIdx(songIdx) {
//解析id
let songIdHexLen = ~~songIdx.substr(2, 2);
let songIdHex = songIdx.substr(4, songIdHexLen);
if (songIdHexLen !== songIdHex.length) return 0;
let updateTimeHexLen = songIdx.substr(songIdHexLen + 4, 2);
let updateTimeHex = songIdx.substr(songIdHexLen + 6);
if (updateTimeHexLen.substr(0, 1) === "0") {
updateTimeHexLen = updateTimeHexLen.substr(1, 1);
}
updateTimeHexLen = ~~updateTimeHexLen;
if (updateTimeHexLen !== updateTimeHex.length) return 0;
let songId = parseInt(songIdHex, 16);
let songIdHash = ~~songIdx.substr(0, 2);
if (songId % 99 !== songIdHash) return 0;
return songId;
}
/**
*判断字符串是否是Json格式20190119add@yuting@taihe.com
*@param {any} str
*@returns
*/
function isJSON(str) {
if (typeof str == "string") {
try {
var obj = JSON.parse(str);
if (typeof obj == "object" && obj) {
return true;
} else {
return false;
}
} catch (e) {
return false;
}
}
}
console